Astadium has a direct staffing costs of 108,000. overherhead costs (socially security, medicare, worker's compensation, etc.) cost the stadium an additional 15%. what is the total staffing cost?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.

Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.